Distance between two points in 1D

❖ Learn how to find the distance between two points in 1D in this beginner-friendly coordinate geometry video!

We explain the distance formula in one dimension, why it works, and how to apply it to both positive and negative coordinates all with clear step-by-step examples.

🎯 Key concepts covered:
– Distance formula in 1D: d = |P₂ - P₁|
– Why squaring and taking the square root always gives a positive value
– How absolute value represents distance
– Examples with both positive and negative coordinates
– How a number line can be drawn horizontally, vertically, or diagonally

✔️ Important points:
✅ Distance is always positive
✅ In 1D, you only need one value to locate a point
✅ The distance formula works regardless of number line orientation

✔️ What this video includes:
– Simple explanation of the distance formula in 1D
– Step-by-step worked examples
– Real-life analogy using an elevator (vertical number line)
– Visualizing the number line in different directions

📌 Video timeline:
0:00 ❖ Introduction
1:06 – Formula used: d = |P₂ - P₁|.
1:57 – Example 1: Distance between 1 and 5
3:30 – The orientation of the Number Line
6:10 – Example 2: Distance between 2 and –1
7:36 – Example 3: Distance between –3 and 2
9:20 – Example 4: Distance between 1/2 and 3
10:52 – Conclusion

🎯 Whether you're a student, teacher, or math enthusiast, this video will help you understand how to find the distance between two points in one dimension and apply the distance formula with confidence!

✨ Watch next:
🔹 Distance Formula in 2D (coming soon)
🔹 Distance Formula in 3D (coming soon)

The link to Coordinate Geometry - 1D, 2D, and 3D Playlist:
   • Coordinate Geometry - 1D, 2D, and 3D  

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